Javascript method to format string date into yyyy-mm-dd

This article mainly introduces the method of using Javascript to format a string date into yyyy-mm-dd. Not much to say below, refer to the following code

function formatDate(date) {
  var d = new Date(date),
    month = '' + (d.getMonth() + 1),
    day = '' + d.getDate(),
    year = d.getFullYear();
 
  if (month.length < 2) month = &#39;0&#39; + month;
  if (day.length < 2) day = &#39;0&#39; + day;
 
  return [year, month, day].join(&#39;-&#39;);
}

Usage:

console.log(formatDate('Sun May 13,2016'));

Output:

2016-05-13
 
2014-05-11